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Population in Sao Tome and Principe compared to Somalia: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Sao Tome and Principe was 240,254 in 2025 vs 19,654,739 people in Somalia in 2025. In 2026, based on the adjusted UN estimation, the current Sao Tome and Principe's population is 247,495 people compared to 20,653,532 in Somalia.

Population statistics:

  • Somalia's population is 83.5 times bigger than Sao Tome and Principe's.
  • Sao Tome and Principe is ranked the 176th most populous country in the world, while Somalia is the 66th.
  • The countries together account for 0.25% of the world: 0.003% for Sao Tome and Principe vs 0.25% for Somalia.
  • For the last 10 years, Sao Tome and Principe has had an average growth rate of +1.83% per year vs +3.59% in Somalia.
  • Since 2006, the population of Sao Tome and Principe has increased from 166K people to 247K (49.4% growth), while Somalia has grown from 11M to 20.7M (88.2% growth).

Sao Tome and Principe vs Somalia: population by year and forecast

Sao Tome and Principe
Factual

Projection
Somalia
Factual

Projection
1x
Year Population
Sao Tome Somalia
2100 538,656 68,341,587
2099 537,257 67,997,987
2098 535,715 67,660,056
2097 534,052 67,320,374
2096 532,281 66,931,214
2095 530,505 66,544,181
2094 528,585 66,138,594
2093 526,572 65,719,626
2092 524,436 65,283,569
2091 522,255 64,812,444
2090 519,929 64,322,633
2089 517,542 63,882,977
2088 515,028 63,424,502
2087 512,499 62,947,792
2086 509,949 62,408,129
2085 507,271 61,835,054
2084 504,516 61,280,718
2083 501,611 60,723,949
2082 498,655 60,150,487
2081 495,622 59,639,547
2080 492,416 59,064,099
2079 489,178 58,441,001
2078 485,864 57,816,490
2077 482,385 57,176,183
2076 478,877 56,567,204
2075 475,315 55,970,712
2074 471,700 55,295,699
2073 468,051 54,617,874
2072 464,286 53,944,923
2071 460,447 53,250,824
2070 456,490 52,540,460
2069 452,388 51,845,897
2068 448,306 51,165,760
2067 444,092 50,461,574
2066 439,773 49,748,163
2065 435,502 48,994,126
2064 431,068 48,235,809
2063 426,645 47,492,758
2062 422,127 46,756,776
2061 417,629 46,008,848
2060 413,061 45,192,338
2059 408,522 44,370,279
2058 403,970 43,631,825
2057 399,359 42,870,700
2056 394,790 42,095,303
2055 390,100 41,292,441
2054 385,416 40,487,904
2053 380,685 39,720,236
2052 375,964 38,967,888
2051 371,143 38,205,058
2050 366,347 37,448,393
2049 361,542 36,717,019
2048 356,694 35,962,583
2047 351,813 35,196,924
2046 346,841 34,440,935
2045 341,791 33,696,593
2044 336,747 32,957,131
2043 331,669 32,227,622
2042 326,608 31,517,627
2041 321,551 30,775,671
2040 316,415 30,013,616
2039 311,237 29,294,623
2038 306,029 28,565,580
2037 300,834 27,821,304
2036 295,584 27,097,563
2035 290,361 26,368,985
2034 285,145 25,671,628
2033 279,952 25,002,924
2032 274,798 24,323,435
2031 269,704 23,642,617
2030 264,687 22,951,436
2029 259,670 22,285,719
2028 254,717 21,638,095
2027 249,827 20,978,784
2026 245,033 20,310,008
2025 240,254 19,654,739
2024 235,536 19,009,151
2023 230,871 18,358,615
2022 226,305 17,801,897
2021 221,961 17,271,431
2020 217,435 16,651,191
2019 213,392 16,030,971
2018 210,187 15,452,487
2017 206,970 14,916,629
2016 203,689 14,348,740
2015 200,291 13,806,963
2014 196,767 13,339,491
2013 193,148 12,869,594
2012 189,439 12,461,160
2011 185,649 12,348,830
2010 181,802 12,261,756
2009 177,853 11,961,201
2008 173,793 11,663,084
2007 169,700 11,322,582
2006 165,638 10,975,502
2005 161,639 10,644,228
2004 157,705 10,280,998
2003 153,814 9,909,157
2002 149,922 9,550,063
2001 146,375 9,198,493
2000 144,018 8,838,713
1999 142,442 8,492,059
1998 140,751 8,155,417
1997 138,922 7,824,525
1996 136,962 7,554,474
1995 134,895 7,285,007
1994 132,732 7,026,797
1993 130,467 6,681,399
1992 128,110 6,495,107
1991 125,697 6,813,760
1990 122,980 7,082,811
1989 119,979 7,114,817
1988 116,939 7,235,360
1987 113,919 7,228,302
1986 111,150 6,974,788
1985 108,658 6,693,289
1984 106,394 6,428,389
1983 104,380 6,198,430
1982 102,508 6,003,840
1981 100,615 5,982,849
1980 98,544 5,936,154
1979 96,252 5,449,117
1978 93,794 4,814,892
1977 91,301 4,484,050
1976 88,922 4,365,812
1975 86,708 4,257,535
1974 84,672 4,151,842
1973 82,798 4,045,592
1972 81,041 3,939,436
1971 79,330 3,837,691
1970 77,626 3,738,448
1969 76,083 3,641,015
1968 74,765 3,546,590
1967 73,596 3,454,537
1966 72,576 3,365,106
1965 71,680 3,277,874
1964 70,865 3,192,796
1963 70,112 3,110,361
1962 69,403 3,030,091
1961 68,707 2,952,054
1960 68,012 2,876,331

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/sao-tome-and-principe/somalia | CC BY

From 2006 to 2016, the population of Sao Tome and Principe increased by 38,051 people (a 23% growth), while Somalia gained 3,373,238 people (a 30.7% growth).

For the next 10 years, from 2016 to 2026, Sao Tome and Principe gained 43,806 people (a 21.5% growth), while Somalia's population increased by 6,304,792 people (a 43.9% growth).

Sao Tome and Principe was ranked 178th most populous country in 2006 and is 176th in 2026. Somalia was ranked 75th in 2006 and ranked 66th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Sao Tome and Principe's population will grow by 48% to 366,347 people with a rank change from 176th to 175th. The population of Somalia will increase by 81.3% to 37,448,393 people and rank change from 66th to 57th.

Sao Tome and Principe is projected to reach its peak in 2100 at 539K people compared to the peak of 68.3M people in 2100 for Somalia.

Population growth rate by year

Sao Tome and Principe
Factual

Projection
Somalia
Factual

Projection
1x
Year Growth rate
Sao Tome Somalia
2100 0.26% 0.51%
2099 0.29% 0.5%
2098 0.31% 0.5%
2097 0.33% 0.58%
2096 0.33% 0.58%
2095 0.36% 0.61%
2094 0.38% 0.64%
2093 0.41% 0.67%
2092 0.42% 0.73%
2091 0.45% 0.76%
2090 0.46% 0.69%
2089 0.49% 0.72%
2088 0.49% 0.76%
2087 0.5% 0.86%
2086 0.53% 0.93%
2085 0.55% 0.9%
2084 0.58% 0.92%
2083 0.59% 0.95%
2082 0.61% 0.86%
2081 0.65% 0.97%
2080 0.66% 1.07%
2079 0.68% 1.08%
2078 0.72% 1.12%
2077 0.73% 1.08%
2076 0.75% 1.07%
2075 0.77% 1.22%
2074 0.78% 1.24%
2073 0.81% 1.25%
2072 0.83% 1.3%
2071 0.87% 1.35%
2070 0.91% 1.34%
2069 0.91% 1.33%
2068 0.95% 1.4%
2067 0.98% 1.43%
2066 0.98% 1.54%
2065 1.03% 1.57%
2064 1.04% 1.56%
2063 1.07% 1.57%
2062 1.08% 1.63%
2061 1.11% 1.81%
2060 1.11% 1.85%
2059 1.13% 1.69%
2058 1.15% 1.78%
2057 1.16% 1.84%
2056 1.2% 1.94%
2055 1.22% 1.99%
2054 1.24% 1.93%
2053 1.26% 1.93%
2052 1.3% 2%
2051 1.31% 2.02%
2050 1.33% 1.99%
2049 1.36% 2.1%
2048 1.39% 2.18%
2047 1.43% 2.2%
2046 1.48% 2.21%
2045 1.5% 2.24%
2044 1.53% 2.26%
2043 1.55% 2.25%
2042 1.57% 2.41%
2041 1.62% 2.54%
2040 1.66% 2.45%
2039 1.7% 2.55%
2038 1.73% 2.68%
2037 1.78% 2.67%
2036 1.8% 2.76%
2035 1.83% 2.72%
2034 1.85% 2.67%
2033 1.88% 2.79%
2032 1.89% 2.88%
2031 1.9% 3.01%
2030 1.93% 2.99%
2029 1.94% 2.99%
2028 1.96% 3.14%
2027 1.96% 3.29%
2026 1.99% 3.33%
2025 2% 3.4%
2024 2.02% 3.54%
2023 2.02% 3.13%
2022 1.96% 3.07%
2021 2.08% 3.72%
2020 1.89% 3.87%
2019 1.52% 3.74%
2018 1.55% 3.59%
2017 1.61% 3.96%
2016 1.7% 3.92%
2015 1.79% 3.5%
2014 1.87% 3.65%
2013 1.96% 3.28%
2012 2.04% 0.91%
2011 2.12% 0.71%
2010 2.22% 2.51%
2009 2.34% 2.56%
2008 2.41% 3.01%
2007 2.45% 3.16%
2006 2.47% 3.11%
2005 2.49% 3.53%
2004 2.53% 3.75%
2003 2.6% 3.76%
2002 2.42% 3.82%
2001 1.64% 4.07%
2000 1.11% 4.08%
1999 1.2% 4.13%
1998 1.32% 4.23%
1997 1.43% 3.57%
1996 1.53% 3.7%
1995 1.63% 3.67%
1994 1.74% 5.17%
1993 1.84% 2.87%
1992 1.92% -4.68%
1991 2.21% -3.8%
1990 2.5% -0.45%
1989 2.6% -1.67%
1988 2.65% 0.1%
1987 2.49% 3.63%
1986 2.29% 4.21%
1985 2.13% 4.12%
1984 1.93% 3.71%
1983 1.83% 3.24%
1982 1.88% 0.35%
1981 2.1% 0.79%
1980 2.38% 8.94%
1979 2.62% 13.2%
1978 2.73% 7.38%
1977 2.68% 2.71%
1976 2.55% 2.54%
1975 2.4% 2.55%
1974 2.26% 2.63%
1973 2.17% 2.69%
1972 2.16% 2.65%
1971 2.2% 2.65%
1970 2.03% 2.68%
1969 1.76% 2.66%
1968 1.59% 2.66%
1967 1.41% 2.66%
1966 1.25% 2.66%
1965 1.15% 2.66%
1964 1.07% 2.65%
1963 1.02% 2.65%
1962 1.01% 2.64%
1961 1.02% 2.63%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/sao-tome-and-principe/somalia | CC BY

In 2025, the population of Sao Tome and Principe grew by 2%, while Somalia's population grew by 3.4%.

Live population counters

Sao Tome Somalia
Current population
247495
20653532
Population rank 176/197 66/197
Percent of world population 0.003% 0.25%
One net population change
1.86 hours
49 seconds
One birth every
1.32 hours
39.2 seconds
One death every
6.73 hours
2.84 minutes
Daily growth/decline +13 +1,769
Annual growth/decline +4,718 +645,588
Annual growth/decline rate +2% +3.4%
Population growth rate rank 50/197 8/197
One migration net change every
13.5 hours
43.6 minutes
Annual migration change -650 +12,077
Net migration rank 90/196 40/196
Foreign-born residents 1,955 77,972
Foreign-born residents rank 194/195 140/195
Foreign-born share of population 0.8% 0.4%
Foreign-born share rank 162/195 180/195

Natural population change vs migration

Sao Tome and Principe
Natural

Migration
Somalia
Natural

Migration
1x
Year Population change
Sao Tome Somalia
Natural Migration Natural Migration
2025 - -650 - 12,077
2024 5,315 -604 619,793 26,859
2023 5,221 -592 608,203 46,217
2022 5,102 -592 551,450 -92,434
2021 4,954 -782 566,399 35,506
2020 4,874 0 561,311 77,259
2019 4,932 -1,716 548,756 53,124
2018 4,957 -1,757 514,244 40,844
2017 5,007 -1,779 478,556 38,067
2016 5,125 -1,793 495,132 124,017
2015 5,269 -1,809 481,573 -17,178
2014 5,381 -1,801 464,481 6,065
2013 5,449 -1,787 448,518 20,723
2012 5,501 -1,739 399,468 -51,833
2011 5,445 -1,616 203,213 -326,192
2010 5,391 -1,529 385,571 -88,448
2009 5,349 -1,328 405,784 -101,795
2008 5,297 -1,203 394,258 -102,035
2007 5,226 -1,127 380,303 8,476
2006 5,057 -1,031 372,597 -67,200
2005 4,897 -941 363,117 -5,955
2004 4,810 -894 351,959 17,353
2003 4,702 -816 341,192 33,174
2002 4,591 -690 331,215 12,603
2001 4,471 -1,289 319,059 40,274
2000 4,334 -2,798 306,651 53,580
1999 4,221 -2,594 295,523 37,548
1998 4,120 -2,364 284,779 55,426
1997 4,041 -2,153 271,894 49,692
1996 3,993 -1,974 264,807 -46,291
1995 3,948 -1,829 254,509 65,888
1994 3,860 -1,644 246,950 -50,921
1993 3,841 -1,527 232,960 261,815
1992 3,822 -1,432 57,495 -179,675
1991 3,801 -1,362 53,052 -568,166
1990 3,719 -727 225,162 -248,155
1989 3,576 -571 225,255 -266,281
1988 3,544 -465 215,599 -415,660
1987 3,440 -470 231,580 -17,391
1986 3,180 -614 218,416 74,424
1985 3,242 -828 207,960 62,183
1984 3,163 -1,041 199,017 60,630
1983 3,100 -1,203 190,775 9,505
1982 3,047 -1,203 182,793 6,115
1981 3,015 -1,067 185,211 -332,129
1980 2,965 -770 174,790 65,519
1979 2,893 -491 151,016 582,746
1978 2,800 -279 132,689 402,005
1977 2,705 -255 124,818 2,170
1976 2,608 -302 113,319 -3,831
1975 2,515 -392 108,998 -1,934
1974 2,422 -474 104,813 -495
1973 2,329 -525 108,038 143
1972 2,232 -517 104,493 -351
1971 2,127 -430 101,196 -1,850
1970 1,980 -279 98,025 1,104
1969 1,862 -469 95,045 690
1968 1,767 -520 92,208 906
1967 1,693 -606 89,497 1,498
1966 1,642 -688 86,930 941
1965 1,611 -765 84,448 2,142
1964 1,600 -819 82,042 1,518
1963 1,609 -886 79,859 1,449
1962 1,625 -927 77,737 1,496
1961 1,657 -960 75,513 1,336
1960 1,547 -860 73,850 750

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/sao-tome-and-principe/somalia | CC BY

Over the last 10 years, 81.6% of the population change in Sao Tome and Principe is from natural causes (a gain of 50,756 people) and 18.4% is from migration (a loss of 11,424 people). In Somalia 94.2% is from natural causes (a gain of 5,425,417 people) and 5.77% is from migration (a gain of 332,281 people).

As of 2024, 1,955 residents or 0.8% of the population were not native-born in Sao Tome and Principe, compared to 77,972 people or 0.4% in Somalia.

Biggest cities by population

Sao Tome
City Population
Sao Tome 65.5K
Trindade 6.64K
Somalia
City Population
Mogadishu 2.12M
Hargeisa 1.23M
Baidoa 1.2M
Borama 68.1K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/sao-tome-and-principe/somalia | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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